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Prairie dog tunnel systems channel rainwater into the water table, which prevents runoff and erosion, and can also change the composition of the soil in a region by reversing soil compaction that can result from cattle grazing. Prairie dog burrows are 5–10 m (16–33 ft) long and 2–3 m (6.6–9.8 ft) below the ground. [20]
Prairie dogs live in big social groups called prairie dog towns across the dry grasslands of North America. ... the prairie dog’s range has shrunk to 5% of the size it was before the settlers ...
This list of mammals in Pennsylvania consists of 66 species currently believed to occur wild in the state. This excludes feral domesticated species such as feral cats and dogs . Several species recently lived wild in Pennsylvania, but are now extirpated (locally, but not globally, extinct).
Richardson's ground squirrel (Urocitellus richardsonii), also known as the dakrat or flickertail, is a North American ground squirrel in the genus Urocitellus.Like a number of other ground squirrels, they are sometimes called prairie dogs or gophers, though the latter name belongs more strictly to the pocket gophers of family Geomyidae, and the former to members of the genus Cynomys.
Black-tailed prairie dogs have sensory adaptions for avoiding predators. Black-tailed prairie dogs have very sensitive hearing at low frequencies that allows them to detect predators early, especially while in their burrows. Black-tailed prairie dog hearing can range from 29 Hz to 26 kHz, and can hear as low as 4 Hz. [35]
White-tailed prairie dog, standing in vegetation. The white-tailed prairie dog is tan-brown in color, with large eyes and a dark patch on their cheeks above and below each eye. [4] This prairie dog species weighs between 28–53 oz (790–1,500 g), while having a length between 12–16 in (30–41 cm). [5]
Gunnison's prairie dogs are 12 to 14 inches (30 to 36 cm) in length and have tails that measure 1.25 to 2.25 inches (3.2 to 5.7 cm). This species weighs from 1.5 to 2.5 lb (0.68 to 1.13 kg). On average, males are larger in size than females. Gunnison's prairie dogs have 22 teeth and five pairs of mammary glands. [2]
The black-footed ferret (Mustela nigripes), also known as the American polecat [4] or prairie dog hunter, [5] is a species of mustelid native to central North America.. The black-footed ferret is roughly the size of a mink and is similar in appearance to the European polecat and the Asian steppe polecat.